The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 06, 2012
Filed:
Nov. 21, 2008
Makiko Tomiyama, Yokohama, JP;
Makiko Tomiyama, Yokohama, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
A sealing film for a solar cell is provided, which has excellent ultraviolet resistance. The sealing film for a solar cell according to the present invention includes ethylene-vinyl acetate copolymer; an organic peroxide; a benzotriazole-based ultraviolet absorber; and a hindered amine-based light stabilizer. The content of the benzotriazole-based ultraviolet stabilizer is in the range of 0.01 to 0.3 parts by weight, based on 100 parts by weight of ethylene-vinyl acetate copolymer. Further, the content of the hindered amine-based light stabilizer is in the range of 0.01 to 2 parts by weight, based on 100 parts by weight of ethylene-vinyl acetate copolymer.